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Home >> Infiniti >> 2011 >> M37 x >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0137 To P0456 >> DTC P0181: FTT Sensor >> DTC Logic >> DTC Confirmation Procedure
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DTC Confirmation Procedure

  1. PRECONDITIONING

    If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

    1. Turn ignition switch OFF and wait at least 10 seconds.
    2. Turn ignition switch ON.
    3. Turn ignition switch OFF and wait at least 10 seconds.

      GO TO 2.

  2. PERFORM DTC CONFIRMATION PROCEDURE-I
    1. Turn ignition switch ON and wait at least 10 seconds.
    2. Check 1st trip DTC.

      Is 1st trip DTC detected? 

      YES: Go to "DIAGNOSIS PROCEDURE ".

      NO: GO TO 3.

  3. CHECK ENGINE COOLANT TEMPERATURE
    1. Select "COOLAN TEMP/S" in "DATA MONITOR" with CONSULT-III.
    2. Check "COOLAN TEMP/S" value.

      "COOLAN TEMP/S" less than 60°C (140°F)? 

      YES: INSPECTION END

      NO: GO TO 4.

  4. PERFORM DTC CONFIRMATION PROCEDURE-II
    1. Cool engine down until "COOLAN TEMP/S" is less than 60°C (140°F).
    2. Wait at least 10 seconds.
    3. Check 1st trip DTC.

      Is 1st trip DTC detected? 

      YES: Go to "DIAGNOSIS PROCEDURE ".

      NO: INSPECTION END